
.container{
    display: flex;

    .nav-left{
        width: 12%;
        min-width: 180px;
        height: calc(100vh);
        background-color: #001529;
    }

    .main{
        flex: 1;
        height: calc(100vh);
        background-color: #f4f4f4;
    }

    .content{
        position: relative;
        padding: 20px;
    }

}